Carbonic acid allyl ester (2R,3S,5R)-5-(6-allyloxycarbonylamino-purin-3-yl)-2-{allyloxy-[(2R,3S,5R)-2-hydroxymethyl-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-3-yloxy]-phosphoryloxymethyl}-tetrahydro-furan-3-yl ester                                                                                                                                                              在
                                                                                                                                                                                 
tris(dibenzylideneacetone)dipalladium(0) chloroform complex   、                                                                                                  
正丁胺   、                                                                                                  
三苯基膦                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲酸                                                                                  为溶剂,
                                                                                                                                                    反应 1.0h,
                                                                                                                生成                                                 Phosphoric acid (2R,3S,5R)-5-(6-amino-purin-3-yl)-3-hydroxy-tetrahydro-furan-2-ylmethyl ester (2R,3S,5R)-2-hydroxymethyl-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-3-yl ester